#include <bits/stdc++.h>
using namespace std;
const int N = 1e6 + 10;

vector<int> add(vector<int> &A, vector<int> &B) {
	vector<int> C;
	int t = 0;
	for (int i = 0; i < A.size() || B.size(); ++i) {
		if (i < A.size()) {
			t += A[i];
		}
		if (i < B.size()) {
			t += B[i];
		}
		C.push_back(t % 10);
		t /= 10;
	}
	if (t) {
		C.push_back(1);
	}
	return C;
}

int main() {
	string a, b;
	vector<int> A, B;
	cin >> a >> b;
	for (int i = a.size() - 1; i >= 0; i--) {
		A.push_back(a[i] - '0');
	}
	for (int i = b.size() - 1; i >= 0; i--) {
		B.push_back(b[i] - '0');
	}
	auto C = add(A, B);
	for (int i = C.size() - 1; i >= 0; i--) {
		cout << C[i];
	}

	return 0;
}